/Engine/Source/Runtime/MovieScene/Public/EntitySystem/MovieSceneSequenceInstance.h
Retrieve the SequenceID for this instance
This sequence instance's SequenceID within the root-sequences hierachy, or MovieSceneSequenceID::Root for root sequence instances.
[FMovieSceneSequenceID](API\Runtime\MovieScene\FMovieSceneSequenceID) GetSequenceID() const